Home / 558,961.20-838,366.20-222,249.60

Finding the Fourth Proportional to 558,961.20, 838,366.20 and 222,249.60

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Solution

The fourth proportional to 558,961.20, 838,366.20 and 222,249.60 is: 333,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,961.20 : 838,366.20 = 222,249.60 : x
  2. Step 2: Convert to fraction form
    558,961.20/838,366.20 = 222,249.60/x
  3. Step 3: Cross multiply
    558,961.20x = 838,366.20 × 222,249.60
  4. Step 4: Simplify right side
    558,961.20x = 186,326,552,603.52
  5. Step 5: Solve for x
    x = 186,326,552,603.52/558,961.20
  6. Step 6: Final answer
    x = 333,344.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.